"afterdamp"^^ . . . . . . "0"^^ . . . . "afterdamp"@en-us . "114726642"^^ . . . "0"^^ . "110559354"@en-us . "a toxic mixture of gases (including carbon dioxide and carbon monoxide and nitrogen) after an explosion of firedamp in a mine"@en-us . "113885439"@en-us . "14726642-n"^^ . . . .